<template>
	<section>
		<!--工具条 高级 查询位置-->
		<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
			<el-form :inline="true" :model="filters">
				<el-form-item>
					<el-input v-model="filters.name" placeholder="姓名"></el-input>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" v-on:click="deptQuery">查询</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleAdd">新增</el-button>
				</el-form-item>
			</el-form>
		</el-col>

		<!--列表
		    :data="department":  绑定的数据
		    highlight-current-row： 高亮显示
        v-loading="listLoading"：忙等框
        @selection-change="selsChange"：勾选复选框触发事件
        sortable： 排序
		-->
		<el-table :data="departments" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
			<el-table-column type="selection" width="55">
			</el-table-column>
			<el-table-column type="index" width="60">
			</el-table-column>
			<el-table-column prop="name" label="部门名称" width="120" sortable>
			</el-table-column>
      <el-table-column prop="sn" label="部门编号" width="120" sortable>
      </el-table-column>
      <el-table-column prop="manager.username" label="部门领导" width="120" sortable>
      </el-table-column>
      <el-table-column prop="parentDepartment.name" label="上级部门" width="120" sortable>
      </el-table-column>

			<el-table-column prop="state" label="是否启用" width="100" sortable>
        <template scope="scope">
          <el-span style="color: green" v-if="scope.row.state==1" size="small" >启用</el-span>
          <el-span style="color: red" v-else-if="scope.row.state==0" size="small" >禁用</el-span>
          <el-span style="color: gray" v-else size="small">未知</el-span>
        </template>
			</el-table-column>

			<el-table-column label="操作" width="150">
				<template scope="scope">
					<el-button size="small" v-perm = "'department:update'"  @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
					<el-button type="danger" v-perm="'department:delete'" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
				</template>
			</el-table-column>
		</el-table>

		<!--工具条-->
		<el-col :span="24" class="toolbar">
			<el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
			<el-pagination
          layout="prev, pager, next"
          @current-change="handleCurrentChange"
          :page-size="pageSize"
          :total="totals"
          style="float:right;">
			</el-pagination>
		</el-col>

		<!--编辑界面-->
		<el-dialog :title="title" :visible.sync="editFormVisible" :close-on-click-modal="false">
			<el-form :model="editForm" label-width="80px" :rules="editFormRules" ref="editForm">
				<el-form-item label="部门名称" prop="name">
					<el-input v-model="editForm.name" auto-complete="off"></el-input>
				</el-form-item>

        <el-form-item label="部门编号" prop="sn">
          <el-input v-model="editForm.sn" auto-complete="off"></el-input>
        </el-form-item>

				<el-form-item label="部门状态">
					<el-radio-group v-model="editForm.state">
						<el-radio class="radio" :label="1">启用</el-radio>
						<el-radio class="radio" :label="0">禁用</el-radio>
					</el-radio-group>
				</el-form-item>
        <el-form-item label="上级部门">
          <!--
          el-cascader - 级联
            :options="deptTree" - 级联框中需要的数据【集合】
          回显机制：
            v-model="saveForm.parent"
            parent：[2,5]
        -->
          <el-cascader v-model="editForm.parent"
                       :options="deptTree"
                       :props="{
            	checkStrictly: true,
                label: 'name', // 级联框显示那个属性的值
                value: 'id'    // 回显时需要,回传值的时候也需要
            }" clearable>
          </el-cascader>
        </el-form-item>

        <!--<el-form-item label="上级部门" prop="parent_id">
          &lt;!&ndash;<el-input v-model="editForm.parent_id" auto-complete="off"></el-input>&ndash;&gt;
          <el-cascader v-model="editForm.parent_id"
              :options="deptTree"
              :props="{
                checkStrictly: true,
                label:'name',
                value: 'id'
              }" clearable>
          </el-cascader>
        </el-form-item>-->

        <el-form-item label="部门经理" prop="manager_id">
         <!-- <el-input v-model="editForm.manager_id" auto-complete="off"></el-input>-->
          <!--
            v-for="item in cities":  循环
             :label:  展示的名字
             :value: 向后端传的值
          -->
          <el-select clearable v-model="editForm.manager_id" placeholder="请选择">
            <el-option
                v-for="item in employees"
                :label="item.username"
                :value="item.id">
              <span style="float: left">{{ item.username }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.phone }}</span>
            </el-option>
          </el-select>
        </el-form-item>

			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button @click.native="editFormVisible = false">取消</el-button>
				<el-button type="primary" @click.native="editSubmit" :loading="editLoading">提交</el-button>
			</div>
		</el-dialog>


	</section>
</template>

<script>

	export default {
		data() {
			return {
        deptTree:[],
			  employees: [],
        title: "",
				filters: {
					name: ''
				},
				departments: [],
				totals: 0,
				currentPage: 1,
        pageSize: 5,
				listLoading: false,
				sels: [],//列表选中列

				editFormVisible: false,//编辑界面是否显示
				editLoading: false,

        // 校验规则
				editFormRules: {
					name: [
						{ required: true, message: '请输入部门名称', trigger: 'blur' }
					],
          sn: [
            { required: true, message: '请输入部门编号', trigger: 'blur' }
          ]
				},
				//编辑界面数据
				editForm: {
					id: null,
          sn: '',
					name: '',
					state: null,
					manager_id: null,
					parent_id: null  // Long类型的值
				},
			}
		},
		methods: {

		  // 查询部门数
      getDeptTree(){
        this.$http.get("/department/deptTree")
        .then(res=>{ // 后台返回一个list
          this.deptTree = res.data;
        }).catch(res=>{

        })
      },

		  getEmployees(){
		    this.$http.get("/employee")
        .then(res=>{
            this.employees = res.data;
        })
      },

      deptQuery(){
        this.currentPage = 1;
        this.getDepartments();
      },

			handleCurrentChange(currentPage) {
				this.currentPage = currentPage;
				// 从新发送请求
				this.getDepartments();
			},
			//获取部门列表
			getDepartments() {
				let para = {
					currentPage: this.currentPage,
          pageSize: this.pageSize,
          keywords: this.filters.name  // 高级查询才是
			};
				// 开启忙等框
				this.listLoading = true;
        // 发送请求  axios  需要配置axios全局
        this.$http.put("/department",para)
        .then(res=>{  // res: PageList: {totals:xx, rows: xx}

            // 关闭忙等框
            this.listLoading = false;
            this.departments = res.data.data;
            this.totals = res.data.totals;
        }).catch(res=>{
          this.$message.error('系统繁忙，稍后重试');
        })
			},
			//删除
			handleDel: function (index, row) {
				this.$confirm('确认删除该记录吗?', '温馨提示', {
					type: 'warning'
				}).then(() => {  // 点击确认删除
					this.listLoading = true; // 忙等框

          // 发送请求
          this.$http.delete("/department/"+row.id)
          .then(res=>{ //

            this.listLoading = false; // 关闭忙等框

              if(res.data.success){
                this.$message({
                  message: '删除成功',
                  type: 'success'
                });
              }else{  //
                this.$message({
                  message: res.data.msg,
                  type: 'error'
                });
              }

            // 重新发送请求，刷新页面
            this.currentPage = 1;
            this.getDepartments();
          }).catch(res=>{
            this.$message({
              message: '系统繁忙，稍后重试!',
              type: 'error'
            });
          })

					/*removeDepartment(para).then((res) => {
						this.listLoading = false;
						//NProgress.done();
						this.$message({
							message: '删除成功',
							type: 'success'
						});
						this.getDepartments();
					});*/
				}).catch(() => { // 取消删除

				});
			},

			//显示编辑界面
			handleEdit: function (index, row) {
		    this.getEmployees();
        this.getDeptTree();
        this.title = "编辑";
				this.editFormVisible = true;

				// 可控一份数据，然后回显数据
				this.editForm = Object.assign({}, row);
			},

			//显示新增界面
			handleAdd: function () {
		    this.getEmployees();
        this.getDeptTree();
        this.title = "新增";
				this.editFormVisible = true; // 弹出模态框  默认为false；
        // 清空模态框
				this.editForm = {
          id: null,
          sn: '',
          name: '',
          state: 1,
          manager_id: null,
          parent_id: null,
				};
			},
			// 提交按钮
			editSubmit: function () {

        // 表单校验
				this.$refs.editForm.validate((valid) => {
					if (valid) {

						this.$confirm('确认提交吗？', '温馨提示', {}).
            then(() => {
							this.editLoading = true;  // 忙等框

              // 克隆数据
							let para = Object.assign({}, this.editForm);
              // 重para中获取parent  null: 没有选择上级部门, []： 选了，又删除了  [2,7,18]
              // parent_id    Long
              let arr = para.parent_id; //  null,  []    [2,7,18]  ==>18

              if(arr && arr.length==0){
                // 后台通过Long接收
                para.parent_id=null;
              }
              if(arr && arr.length > 0){
                // 后台通过Long接收
                para.parent_id=arr[arr.length-1];
              }
							// 发送请求
							this.$http.put("/department",para)
              .then(res=>{
                this.editLoading = false; // 关闭忙等框
                if(res.data.success){
                  this.$message({
                    message: '操作成功',
                    type: 'success'
                  });
                }else{
                  this.$message({
                    message: res.data.msg,
                    type: 'error'
                  });
                }
                // 关闭模态框
                this.editFormVisible = false;
                // 刷新页面
                this.getDepartments();

              }).catch(res=>{
                this.$message({
                  message: '系统异常，稍后重试',
                  type: 'error'
                });
              })

						});
					}
				});
			},

			selsChange: function (sels) {
				this.sels = sels;
				console.debug(this.sels)
			},
			//批量删除
			batchRemove: function () {

				var ids = this.sels.map(item => item.id);  // [1,2,3,4,5,6]

				this.$confirm('确认删除选中记录吗？', '温馨提示', {
					type: 'warning'
				}).then(() => {
					this.listLoading = true; // 开启忙等框

          this.$http.patch("/department",ids)
          .then(res=>{
            // 关闭忙等框
            this.listLoading = false;
              if(res.data.success){
                this.$message({
                  message: '删除成功',
                  type: 'success'
                });
              }else{
                this.$message({
                  message: res.data.msg,
                  type: 'error'
                });
              }
              this.currentPage = 1;
              this.getDepartments();
          }).catch(res=>{
            this.$message({
              message: '系统异常，稍后重试',
              type: 'error'
            });
          })

					//NProgress.start();
				//	let para = { ids: ids };
					/*batchRemoveDepartment(para).then((res) => {
						this.listLoading = false;
						//NProgress.done();
						this.$message({
							message: '删除成功',
							type: 'success'
						});
						this.getDepartments();
					});*/
				}).catch(() => {

				});
			}
		},


		mounted() {
			this.getDepartments();
		}
	}

</script>




<style scoped>

</style>
